SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('642e61aa22b07be40c2431ecd5862444','0','3.17.79.60','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714956769','board.php?boardid=363&sid=ca3d170e702624382044ff2d2d9e8342','0','0','')
mysql error: Duplicate entry '642e61aa22b07be40c2431ecd5862444' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 06.05.2024 @ 02:52
Script: /board.php?boardid=363&sid=ca3d170e702624382044ff2d2d9e8342
Referer: http://wehrbauten.de/board.php?boardid=363&sid=ca3d170e702624382044ff2d2d9e8342